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Science
“#Publicizing police killings of unarmed Black people causes emotional trauma” Credit: CC0 Public Domain A majority of college students of color show symptoms of post-traumatic stress disorder after watching social media videos of unarmed Black men being killed by police, a Rutgers study finds. The study, published in the Journal of Black Studies, surveyed 134…
“#In a first, astronomers watch a black hole’s corona disappear, then reappear” This diagram shows how a shifting feature, called a corona, can create a flare of X-rays around a black hole. The corona (feature represented in purplish colors) gathers inward (left), becoming brighter, before shooting away from the black hole (middle and right). Astronomers…
“#New insights into the origins of our universe” A portion of a new picture of the oldest light in the universe taken by the Atacama Cosmology Telescope. This part covers a section of the sky 50 times the moon’s width, representing a region of space 20 billion light-years across. The light, emitted just 380,000 years…
“#New study reveals a graphene sheet behaves ‘like a mirror’ for water molecules” An image showing graphene water molecules on both sides of graphene. Because graphene is a conductor of electricity, water molecules on both sides of the graphene attract each other by the same charges. Credit: Virginia Commonwealth University A recently published study led…
“#Regular arrays of silicon nanoparticles key to improving light emissions in nanophotonic devices” Credit: Eindhoven University of Technology Nanophotonics considers how light and matter at the nanoscale interact with each other, with findings in the field being important for nanofabrication techniques and in future photonic devices. Until recently, metallic nanoparticles have been predominantly used in…
“#Dehydration increases amphibian vulnerability to climate change” Credit: CC0 Public Domain Amphibians have few options to avoid the under-appreciated one-two punch of climate change, according to a new study from Simon Fraser University researchers and others. Rising summer temperatures are also resulting in higher rates of dehydration among wet-skinned amphibians as they attempt to keep…
“#Scientists discover how deep-sea, ultra-black fish disappear” One specimen of the ultra-black fish species Anoplogaster cornuta. This fish was so lively after being sampled and documented that the research team released it back to the deep via submarine the day after being caught in a trawl net.In the July 16 issue of the journal Current…
“#How galaxies die: New insights into the quenching of star formation” A new theory explains how black holes grow as a function of galaxy mass and eventually quench star formation in their host galaxies. The images on this graph are of nearby galaxies at the present era taken by the Sloan Digital Sky Survey, chosen…
“#Divining monsoon rainfall months in advance with satellites and simulations” The Indian monsoon provides water for crops across the subcontinent. Research led by The University of Texas at Austin is allowing for more accurate forecasts of the monsoon season further in advance. Credit: Yogendra Joshi Researchers affiliated with The University of Texas at Austin have…
“#Scientists predict dramatic increase in flooding, drought in California” Credit: CC0 Public Domain California may see a 54 percent increase in rainfall variability by the end of this century, according to new research from the lab of Assistant Professor Da Yang, a 2019 Packard Fellow and atmospheric scientist with the University of California, Davis. Writing…